From e6843a795b4572ae7dbe75d60b04cea43dae9c48 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Mon, 10 Jun 2024 15:25:23 +0000
Subject: Make installManPage more robust against newlines. Backported from 8.7

---
 unix/installManPage | 43 +++++++++++++++++++++++++++++--------------
 1 file changed, 29 insertions(+), 14 deletions(-)

diff --git a/unix/installManPage b/unix/installManPage
index 1e29bb0..3d5fa7b 100755
--- a/unix/installManPage
+++ b/unix/installManPage
@@ -61,20 +61,35 @@ test -z "$Sym" && Loc="$Dir/"
 #
 Names=`sed -n '
 #                               Look for a line that starts with .SH NAME
-    /^\.SH NAME/{
-#                               Read next line
-	n
-#                               Remove all commas ...
-	s/,//g
-#                               ... and backslash-escaped spaces.
-	s/\\\ //g
-#                               Delete from \- to the end of line
-	s/ \\\-.*//
-#                               Convert all non-space non-alphanum sequences
-#                               to single underscores.
-	s/[^ A-Za-z0-9][^ A-Za-z0-9]*/_/g
-#                               print the result and exit
-	p;q
+    /^\.SH NAME/,/^\./{
+
+
+	/^\./!{
+
+	    # Remove all commas...
+	    s/,//g
+
+	    # ... and backslash-escaped spaces.
+	    s/\\\ //g
+
+	    /\\\-.*/{
+		# Delete from \- to the end of line
+		s/ \\\-.*//
+		h
+		s/.*/./
+		x
+	    }
+
+	    # Convert all non-space non-alphanum sequences
+	    # to single underscores.
+	    s/[^ A-Za-z0-9][^ A-Za-z0-9]*/_/g
+	    p
+	    g
+	    /^\./{
+		q
+	    }
+    }
+
     }' $ManPage`
 
 if test -z "$Names" ; then
-- 
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